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Question: If P(1) = 1/2, P(2) = 1/3 & P (A Ç B) = \(\frac { 1 } { 4 }\) then P \(\left( \frac { B } { A } \r...

If P(1) = 1/2, P(2) = 1/3 & P (A Ç B) = 14\frac { 1 } { 4 } then P (BA)\left( \frac { B } { A } \right) =

A

1

B

0

C

½

D

1/3

Answer

½

Explanation

Solution

P (BA)\left( \frac { B } { A } \right) = 1/41/2\frac { 1 / 4 } { 1 / 2 }= ½